WO2019066290A1 - Film de fenêtre - Google Patents

Film de fenêtre Download PDF

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Publication number
WO2019066290A1
WO2019066290A1 PCT/KR2018/010416 KR2018010416W WO2019066290A1 WO 2019066290 A1 WO2019066290 A1 WO 2019066290A1 KR 2018010416 W KR2018010416 W KR 2018010416W WO 2019066290 A1 WO2019066290 A1 WO 2019066290A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
metal
metal oxide
laminate
metal layer
Prior art date
Application number
PCT/KR2018/010416
Other languages
English (en)
Korean (ko)
Inventor
이동엽
장현우
손범권
김성진
Original Assignee
주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to JP2020513892A priority Critical patent/JP6976636B2/ja
Priority to CN201880055500.1A priority patent/CN111107993B/zh
Publication of WO2019066290A1 publication Critical patent/WO2019066290A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B32B2255/205—Metallic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/418—Refractive

Definitions

  • the present application relates to window films. More specifically, the present application relates to a window film having an infrared reflection function.
  • the solar control film can be distinguished as an absorbing film and a reflection film according to the infrared ray blocking method.
  • the reflection type solar control film generally has an alternate laminated structure of a metal oxide layer and a metal layer.
  • Such a window film since such a window film generally has a multilayer structure, it has a problem of deterioration in adhesion and delamination at the interlayer interface, durability deterioration, and contamination and discoloration of the film due to various reasons as many as the number of layers to be laminated. Furthermore, there are many cases where the layer structure of the window film is damaged during the transportation of the window film for practical use. Particularly, when a window film is attached to a building or a glass of a vehicle, a physical force is applied to the film, so that a surface scratch or delamination tends to occur. This problem is more noticeable when window films are used for large-area glass.
  • One object of the present invention is to provide a window film which can stably exhibit its inherent functions such as high-order heat, high thermal insulation, or high permeability even after construction.
  • the present application is directed to a window film.
  • the present application relates to a window film having transparency to visible light but performing a reflection or blocking function with respect to infrared light.
  • visible light may mean light in the wavelength range of 380 nm to 780 nm, more specifically light of 550 nm, for example.
  • the term " infrared ray &quot may mean light having a longer wavelength than the visible light, and includes, for example, near infrared rays in the wavelength range of 780 nm to 2,500 nm and far infrared rays in the wavelength range of 2.5 to 25 ⁇ m .
  • the window film of the present application may sequentially include a light-transmitting base layer, an infrared reflection layer, an overcoat layer, and a protective film.
  • the light-transmitting base layer may be a layer which serves as a support for a window film, and has a transmittance of visible light of 70% or more or 80% or more. If the transmittance is satisfied, the material used for the light-transmitting base layer is not particularly limited. For example, a known glass or resin film may be used.
  • the light transmitting base layer may have a thickness of, for example, not less than 5 ⁇ ⁇ , not less than 10 ⁇ ⁇ , not less than 20 ⁇ ⁇ , or not less than 30 ⁇ ⁇ , and the upper limit may be 200 ⁇ ⁇ or 150 ⁇ ⁇ .
  • the infrared reflecting layer reflects near-infrared rays and far-infrared rays, and the window film can be given high-order heat and high heat-insulating function.
  • the infrared reflecting layer is located on the light-transmitting base layer.
  • the term " on " or " on " used in connection with the interlayer deposition position includes not only the case where a certain constitution is formed directly on another constitution but also the case where a third constitution is interposed .
  • the infrared reflecting layer includes a metal oxide layer and a metal layer.
  • the metal oxide layer may be located between the light-transmitting substrate layer and the metal layer.
  • the metal oxide layer located on one side of the metal layer can impart wavelength selectivity to light to the window film, such as, for example, transmission to visible light and reflection to infrared light.
  • the metal oxide layer may be at least one selected from the group consisting of antimony (Sb), barium, gallium, germanium, hafnium, indium, lanthanum, magnesium, ), Silicon (Si), tantalum (Ta), titanium (Ti), vanadium (V), yttrium (Y), zinc (Zn), and / or tin (Sn).
  • the metal oxide layer may be a layer consisting only of the oxide of the metal, or a layer containing a component other than the listed components but containing a metal oxide as a main component.
  • the main component may mean a case where the weight ratio of any one component constituting a layer to the layer is 85% or more.
  • the metal oxide layer used in the present application may have a thickness in the range of 5 nm to 300 nm. It is possible to secure an appropriate light transmittance and refractive index within the above-mentioned thickness range.
  • the method of forming the metal oxide layer is not particularly limited.
  • a known dry or wet method can be used to form the metal oxide layer.
  • a metal oxide layer can be formed by vapor deposition.
  • the metal layer is a layer that performs the main function related to the infrared ray blocking function of the film.
  • the method for forming the metal layer is not particularly limited. Known dry or wet methods can be used for metal layer formation. For example, a metal layer may be formed by vapor deposition.
  • the metal layer may comprise a plurality of lower metal layers.
  • the lower metal layer may be configured to include at least one of the same metal components as those listed above, and the specific metal components of each lower metal layer may be the same or different.
  • the metal layer adjacent to the light-transmitting base layer among the plurality of metal layers can impart higher-order heat and a high thermal insulating function to the window film, and the other metal layer can contribute to improvement in durability of the window film have.
  • the overcoat layer is used in window films to prevent damage to the infrared reflective layer. Considering the function of the window film, it is preferable that the overcoat layer has a high transmittance to visible light and a low absorbency to infrared rays.
  • the overcoat layer may be selected within a range that does not impair the light transmittance of the window film.
  • the overcoat layer may comprise a cured product of a composition comprising a monofunctional organic compound and a monofunctional or multifunctional organic and inorganic or organic particles.
  • the overcoat layer may have a thickness of 100 nm or less. If the thickness is exceeded, the transmissivity of the window film may be lowered, and the infrared ray reflection function of the window film may be deteriorated due to the infrared absorption of the overcoat layer.
  • the window film of the present application may include a release substrate on the opposite surface of one side of the translucent substrate layer facing one surface of the infrared reflective layer.
  • the release type substrate may be attached to the light-transmitting substrate layer via a pressure-sensitive adhesive (layer). After removing the release film, the pressure sensitive adhesive (layer) present between the release substrate and the translucent substrate can attach the window film to a window such as a glass.
  • the mold release substrate performs a temporal protection function for a pressure-sensitive adhesive (layer) for attaching the window film to the window, and the type of the substrate is not particularly limited as long as the function can be performed.
  • the window film of the present application may include a protective film located on the overcoat layer.
  • the protective film can protect the window film from an external force or an external environment generated during handling, movement, or construction of the widow film. And, the protective film can be peeled from one surface of the window film without damaging the overcoat layer at the time of construction.
  • the process of attaching a window film to a window such as a glass for actual use is as follows. First, the surface of the glass to be adhered is cleaned, and the window film is attached to the surface of the glass through the pressure-sensitive adhesive of the light-transmitting base layer from which the release substrate has been removed. Thereafter, water or bubbles between the glass and the light-transmitting base layer are removed by using a tool such as squeegee to adhere (adhere) the glass and the window film. Finally, the protective film can be peeled off from the window film to complete the construction. The protective film can prevent the overcoat layer or the surface of the infrared ray reflective layer from scratching, which may occur during the bending process of the window film, which may occur during a series of construction processes as described above, or by the squeegee.
  • the peeling force between the protective film and the adherend can be adjusted to a predetermined range.
  • the peel strength of the protective film measured at an angle of 180 ° to the overcoat layer and a peel rate of 150 mm / min (min) may be 8 gf / 25 mm to 60 gf / 25 mm. If the peeling force is less than 8 gf / 25 mm, the protective film may peel off during handling of the window film, and the protective film may be peeled or wrinkled in the process of squeegee adhesion to damage the window film. If the peel force exceeds 60 gf / 25 mm, the window film itself may peel off from the glass or the adhesive of the protective film may remain on the overcoat layer in the process of peeling off the protective film for completion of the construction.
  • the protective film may comprise a surface protective substrate and an adhesive layer.
  • a polymer film known in the related art may be used as the surface protective substrate.
  • a polyester film such as polyethylene terephthalate or polybutylene terephthalate, a polytetrafluoroethylene film, a polyethylene film, a polypropylene film, a polybutene film, a polybutadiene film, a poly (vinyl chloride) film or a polyimide film May be used. These films may be used as a single layer, or may be laminated to each other and used in multiple layers. Though not particularly limited, the thickness of the surface protective substrate may range from 10 m to 100 m.
  • the composition may be an acrylic adhesive comprising an acrylic polymer.
  • the polymer may include an alkyl (meth) acrylate monomer and a copolymerizable monomer having a crosslinkable functional group in a polymerized form, and the composition may include a monofunctional or multifunctional crosslinking agent in addition to the acrylic polymer .
  • the window film may further comprise a hard coat layer between the light-transmitting substrate layer and the infrared reflective layer. More specifically, the window film may sequentially include a light-transmitting base layer, a hard coat layer, and a metal oxide layer of the first laminate described below.
  • the constitution of the hard coat layer is not particularly limited so long as it does not impair the light transmittance of the window film.
  • the hard coat layer may include a resin including organic or inorganic particles.
  • the infrared reflecting layer may have a plurality of stacked layers including a metal oxide layer and / or a metal layer. More specifically, the infrared reflecting layer of the present application may include a first laminate and a second laminate positioned on the first laminate.
  • the first laminate may include a first metal oxide layer and a metal layer
  • the second laminate may include a metal oxide layer. The materials each of the metal layer and the metal oxide layer are the same as described above.
  • the first laminate may be positioned closer to the light-transmitting base layer than the second laminate.
  • the structure in which the metal layer and the metal oxide layer are stacked as described above can impart a high degree of heat and a high heat insulating function to the window film.
  • the first laminate may be a laminate where the metal layer is located on the first metal oxide layer.
  • the window film may sequentially include the first metal oxide layer and the metal layer on the light-transmitting base layer.
  • the metal layer included in the first laminate may include two metal layers, i.e., a first metal layer and a second metal layer.
  • the first metal layer may mean a metal layer located closer to the light-transmitting base layer side than the second metal layer.
  • the second metal layer may be located on the first metal layer.
  • the metal components included in the two metal layers may be the same or different.
  • the window film of the present application may have a structure including the first metal oxide layer, the first metal layer, and the second metal layer sequentially on the light-transmitting base layer.
  • a metal oxide layer is formed on any one of the metal layers The metal layer may be oxidized while being exposed to oxygen. Oxidation of such a metal layer loses its original function of the metal layer and may cause a decrease in interlayer interfacial adhesion and a durability defect such as discoloration.
  • the window film of the present application may have a laminated structure in which the second metal layer directly contacts the first metal layer, and the metal oxide layer constituting the second laminate is located on the second metal layer. This makes it possible to simultaneously impart high-order heat, high thermal insulation and high durability to the window film.
  • the metal layer may have a thickness ranging from 1 nm to 50 nm.
  • the first metal layer may have a thickness in the range of 5 nm to 30 nm
  • the second metal layer may have a thickness of 1 nm to 15 nm have.
  • the second metal layer can prevent the deterioration of the first metal layer and provide a good interlaminar bond strength without interfering with the transmittance of the entire film.
  • the refractive index of the metal layer with respect to visible light may range from 0.1 to 1.5.
  • the refractive index of each lower metal layer may be the same or different from each other.
  • the metal layer having the refractive index and the metal oxide layer having the constitution described below are used, a high transmittance to visible light and a low transmittance to infrared light can be imparted to the window film.
  • the refractive index can be changed according to the deposition thickness of the metal layer, the degree of crystallization upon forming the layer, and the like.
  • the second laminate may comprise a plurality of metal oxide layers having different refractive indices. More specifically, the metal oxide layer having the largest visible light refractive index among the plurality of metal oxide layers included in the second laminate may be positioned adjacent to the first laminate.
  • the number of metal oxide layers included in the second laminate is not particularly limited.
  • the metal oxide layer may include a second metal oxide layer and a third metal oxide layer, that is, two metal oxide layers .
  • the second metal oxide layer may mean a metal oxide layer located closer to the side of the light-transmitting substrate layer than the third metal oxide layer in the laminated structure of the window film.
  • the window film of the present application may sequentially include the first laminate, the second metal oxide layer and the third metal oxide layer on the light-transmitting base layer.
  • one side of the second metal oxide layer and one side of the third metal oxide layer may be in direct contact.
  • the types of the metal oxide included in the second metal oxide layer and the metal oxide included in the third metal oxide layer may be different from each other.
  • the metal oxide layer includes two or more components, the second metal oxide layer and the third metal oxide layer may have different composition ratios.
  • the metal oxide layer included in the first laminate and the second laminate may have a visible light refractive index ranging from 1.5 to 3.0.
  • the metal oxide layer may have different visible light refractive indexes.
  • the refractive index of the second metal oxide layer adjacent to the metal layer of the first laminate among the metal oxide layers included in the second laminate is larger than the refractive index of the first metal oxide layer or the third metal oxide layer Lt; / RTI >
  • the thermal expansion coefficients of the metal layer and the metal oxide layer may be different from each other.
  • the thermal expansion coefficient of the metal oxide layer can be used in the same sense as the thermal expansion coefficient of the metal oxide component of the layer.
  • the metal layer included in the first laminate may have a higher thermal expansion coefficient than the metal oxide layer included in the first or second laminate.
  • the second metal layer included in the first laminate may have a thermal expansion coefficient larger than that of the metal oxide layer included in the second laminate. Even in this case, the coefficient of thermal expansion of the second metal layer may have a lower value than that of the first metal layer.
  • the adjacent interlayer thermal expansion coefficient is controlled, the interfacial stress due to environmental changes such as external light, temperature, etc. is relaxed and the durability of the film can be improved.
  • the window film of the present application may further include at least one laminate of a metal oxide layer and a metal layer between the first laminate and the second laminate.
  • the additional laminate may have a configuration in which at least one metal oxide layer and at least one metal layer are laminated to each other like the first laminate.
  • the physical properties and composition of the metal layer or the metal oxide layer are the same as those mentioned above.
  • the refractive index of the metal oxide layer included in the laminate to be added may be adjusted to have a refractive index lower than the refractive index of the metal oxide layer provided closest to the first laminate among the metal oxide layers included in the second laminate .
  • the application of the present application window film is not particularly limited.
  • the present application may be fittings to which the window film is attached.
  • the window can mean various windows or doors installed in openings such as a wall or an entrance to block the inside of the building from the outside, and the specific configuration of the window is not particularly limited.
  • a window film and a window including the window film can be provided, which can realize a high function without physical damage even after construction.
  • the release film is peeled off from the window film cut to 12 cm x 3 cm and attached to the aluminum plate.
  • a window film of Examples and Comparative Examples was attached to a 10 cm x 10 cm glass using a squeegee. In the case of the embodiment, the protective film is peeled off.
  • a hard coat layer having a thickness of 2 ⁇ ⁇ was formed on a PET substrate of a release film adhered via a pressure-sensitive adhesive and a 50 ⁇ ⁇ thick PET-based laminate, and a first metal oxide layer was formed thereon.
  • the hard coat layer is a polyfunctional (meth) acrylate and then a monomer composition containing Silica inorganic particles in a coating with a bar coater, dried with a 80 °C, and radiation-curing by use of ultra-high pressure mercury lamp, the accumulated light quantity 600 mJ / cm 2 in a nitrogen atmosphere Inorganic hybride layer provided on the substrate.
  • the first metal oxide layer was formed with a 15 nm thick ZnO layer at 1.5 W / cm 2 and 3 mTorr using a DC sputtering method.
  • An Ag metal layer was deposited on the first metal oxide layer at a thickness of 14 nm under the conditions of 1.5 W / cm 2 and 3 mTorr by a DC sputtering method.
  • a Ti metal layer was deposited to a thickness of 5 nm under a condition of 1.5 W / cm 2 and 3 mTorr using a DC sputtering method.
  • a NbO x layer as a second metal oxide layer was formed to a thickness of 10 nm under the conditions of 1.5 W / cm 2 and 3 mTorr.
  • a window film was prepared in the same manner as in Example 1, except that the peel strength of the protective film was changed as shown in Table 1 below.
  • a window film was prepared in the same manner in the same manner except that the protective film was omitted.
  • the function to be realized by the window film having the constitution described below can also be maintained after the application by applying the protective film having the predetermined peeling force as described above.
  • Salt resistance (2) After immersing the film prepared as described below in a 10% NaCl solution for 7 days, it was confirmed whether or not a change in color change emissivity and / or peeling occurred, and the degree was classified according to the following criteria.
  • the increase in the emissivity value means that the metal layer or the like is damaged by the brine.
  • a hard coat layer having a thickness of 2 ⁇ was formed, and a first metal oxide layer was formed thereon.
  • the hard coat layer is a polyfunctional (meth) acrylate and then a monomer composition containing Silica inorganic particles in a coating with a bar coater, dried with a 80 °C, and radiation-curing by use of ultra-high pressure mercury lamp, the accumulated light quantity 600 mJ / cm 2 in a nitrogen atmosphere Inorganic hybride layer provided on the substrate.
  • the metal oxide layer was formed with a 30 nm thick ZnO layer at 1.5 W / cm 2 and 3 mTorr using a DC sputtering method.
  • An Ag metal layer was deposited to a thickness of 15 nm on the first metal oxide layer under a condition of 1.5 W / cm 2 and 3 mTorr using a DC sputtering method, and a Ti layer was formed as a second metal layer on the metal layer to a thickness of 2 nm .
  • the second metal layer was also deposited using DC sputtering under the conditions of 1.5 W / cm 2 and 3 mTorr.
  • a NbOx layer as a second metal oxide layer was formed on the second metal layer to a thickness of 10 nm under the conditions of 1.5 W / cm 2 and 3 mTorr, and the NbO x layer was formed on the second metal oxide layer
  • a ZnO layer as a third metal oxide layer was deposited to a thickness of 20 nm.
  • an optical film was prepared by forming an overcoat layer having a thickness of 50 nm on the second metal oxide layer.
  • the overcoat layer was prepared by adding 0.5 part by weight of a phosphoric acid ester compound (Miwon, product name: MIRAMER SC1400) to 100 parts by weight of a solid component containing a polyfunctional (meth) acrylate monomer and silica inorganic particles to improve adhesion to the second metal oxide layer
  • Inorganic hybrid layer prepared by applying the coated overcoat solution with a bar coater, drying at 80 DEG C, and ultraviolet curing using an ultrahigh pressure mercury lamp under an atmosphere of nitrogen at an accumulated light quantity of 400 mJ / cm < 2 >.
  • the second metal oxide layer was 2.5 and the third metal oxide layer was 1.7, as measured by Ellipsometer. On the other hand, it was confirmed that the first metal layer, the second metal layer, and the second metal oxide layer were arranged so as to have a lower thermal expansion coefficient.
  • a window film was prepared in the same manner and in the same manner as in Example 3, except that the second metal layer was made to contain Sn.
  • a window film was produced in the same manner as in Example 3 except that the thickness of the second metal layer was 0.5 nm.
  • a window film was produced in the same manner as in Example 3 except that the lamination positions of the second metal oxide layer and the third metal oxide layer were changed from each other.

Abstract

La présente invention concerne un film de fenêtre. Le film de fenêtre de la présente invention comprend : une couche de base transparente ; une couche réfléchissant les rayons infrarouges ; une couche de revêtement ; et un film protecteur qui peut être détaché de la couche de revêtement. Le film de fenêtre comprenant ces caractéristiques peut atteindre des performances élevées, même après la construction.
PCT/KR2018/010416 2017-09-27 2018-09-06 Film de fenêtre WO2019066290A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020513892A JP6976636B2 (ja) 2017-09-27 2018-09-06 ウィンドウフィルム
CN201880055500.1A CN111107993B (zh) 2017-09-27 2018-09-06 窗膜

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0124723 2017-09-27
KR1020170124723A KR102176232B1 (ko) 2017-09-27 2017-09-27 윈도우 필름

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WO2019066290A1 true WO2019066290A1 (fr) 2019-04-04

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PCT/KR2018/010416 WO2019066290A1 (fr) 2017-09-27 2018-09-06 Film de fenêtre

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Country Link
JP (1) JP6976636B2 (fr)
KR (1) KR102176232B1 (fr)
CN (1) CN111107993B (fr)
WO (1) WO2019066290A1 (fr)

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Publication number Priority date Publication date Assignee Title
KR102558045B1 (ko) 2021-01-12 2023-07-21 주식회사 레이노코리아 윈도우 필름 및 그 제조 방법
KR102574984B1 (ko) * 2021-11-15 2023-09-06 에스제이나노텍 주식회사 열 차단성 및 시인성을 확보한 윈도우용 열 차단 판

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